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Subtract 20/18 from 84/10

1st number: 8 4/10, 2nd number: 1 2/18

84/10 - 20/18 is 328/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 10 × 9 = 90,
    84/10 = 84 × 9/10 × 9 = 756/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    20/18 = 20 × 5/18 × 5 = 100/90
  4. Subtract the two like fractions:
    756/90 - 100/90 = 756 - 100/90 = 656/90
  5. After reducing the fraction, the answer is 328/45
  6. In mixed form: 713/45

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